Radical Firearms RF-15 Rifle - R Manufacturer: Radical Firearms Model: RF-15 Type: Semi-automatic rifle Caliber: 5.56 NATO / .223 Remington Action: Direct-impingement, gas-operated Barrel: Typically 16 inches Magazine: Typically 30-round detachable magazine Overall Length: Approximately 32-35 inches, depending on stock position Platform: AR-15 pattern Finish: Typically black Condition: Used - see photos for exact condition and included accessories